Oil marks first fall in three sessions

SAN FRANCISCO (MarketWatch) -- Oil futures closed with a slight loss Tuesday, pulling back as a Spanish credit rating downgrade lured investors to the perceived safety of the U.S. dollar. "Greece is a lost cause and they are trying to figure out how to write the obituary," while "Spain is wobbling," said Steve Gillette, president of Cirrus Commodities Exchange. "Oil will fall on fears of falling demand if the world's economy continues to stumble." July crude
CLN2, +0.18%
settled at $90.76 a barrel on the New York Mercantile Exchange, down 10 cents, or 0.1%. Earlier, it had topped $92 amid worries about Iran's ongoing nuclear standoff with Western nations.

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